Front cover portion of a positive displacement pump assembly



FIG. 1 is a front/right side isometric view of a front cover portion of a positive displacement pump assembly showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a top plan view of; and,

FIG. 7 is a bottom plan view.

The broken line showing of elements is included for the purpose of illustrating environmental matter and forms no part of the claimed design. 

CLAIM The ornamental design for a front cover portion of a positive displacement pump assembly, as shown and described. 